Educational graph device



FIG. 1 is a side top perspective view of the educational graph device;

FIG. 2 is a bottom perspective view of FIG. 1;

FIG. 3 is a right side vertical view of FIG. 1;

FIG. 4 is a top view of FIG. 1;

FIG. 5 is a bottom view of FIG. 1; and,

FIG. 6 is a horizontal side view of FIG. 1.

The broken lines are included for the purpose of illustrating portions of the educational graph device that form no part of the claimed design. 

CLAIM I claim the ornamental design for the educational graph device, as shown and described. 